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fixed for Linux

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This commit is contained in:
Joel Sherrill
1995-07-18 19:58:45 +00:00
parent 8044533152
commit 10aed1e3c0
2 changed files with 48 additions and 26 deletions
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37
c/src/exec/score/cpu/unix/cpu.c
View File

@@ -24,6 +24,7 @@
#include <unistd.h>
#include <signal.h>
#include <time.h>
#include <sys/time.h>
#ifndef SA_RESTART
#define SA_RESTART 0
@@ -104,12 +105,16 @@ void _CPU_Signal_initialize( void )
sigaction(SIGINT, &act, 0);
sigaction(SIGQUIT, &act, 0);
sigaction(SIGILL, &act, 0);
#ifdef SIGEMT
sigaction(SIGEMT, &act, 0);
#endif
sigaction(SIGFPE, &act, 0);
sigaction(SIGKILL, &act, 0);
sigaction(SIGBUS, &act, 0);
sigaction(SIGSEGV, &act, 0);
#ifdef SIGSYS
sigaction(SIGSYS, &act, 0);
#endif
sigaction(SIGPIPE, &act, 0);
sigaction(SIGALRM, &act, 0);
sigaction(SIGTERM, &act, 0);
@@ -397,21 +402,25 @@ void _CPU_Context_Initialize(
/*
* This information was gathered by disassembling setjmp().
*/
{
unsigned32 stack_ptr;
stack_ptr = _stack_high - CPU_FRAME_SIZE;
*(addr + EBX_OFF) = 0xFEEDFEED;
*(addr + ESI_OFF) = 0xDEADDEAD;
*(addr + EDI_OFF) = 0xDEAFDEAF;
*(addr + EBP_OFF) = stack_ptr;
*(addr + ESP_OFF) = stack_ptr;
*(addr + RET_OFF) = jmp_addr;
stack_ptr = _stack_high - CPU_FRAME_SIZE;
*(addr + EBX_OFF) = 0xFEEDFEED;
*(addr + ESI_OFF) = 0xDEADDEAD;
*(addr + EDI_OFF) = 0xDEAFDEAF;
*(addr + EBP_OFF) = stack_ptr;
*(addr + ESP_OFF) = stack_ptr;
*(addr + RET_OFF) = jmp_addr;
addr = (unsigned32 *) stack_ptr;
addr = (unsigned32 *) stack_ptr;
addr[ 0 ] = jmp_addr;
addr[ 1 ] = (unsigned32) stack_ptr;
addr[ 2 ] = (unsigned32) stack_ptr;
addr[ 0 ] = jmp_addr;
addr[ 1 ] = (unsigned32) stack_ptr;
addr[ 2 ] = (unsigned32) stack_ptr;
}
#else
#error "UNKNOWN CPU!!!"
@@ -582,7 +591,9 @@ void _CPU_Stray_signal(int sig_num)
case SIGHUP:
case SIGQUIT:
case SIGILL:
#ifdef SIGEMT
case SIGEMT:
#endif
case SIGKILL:
case SIGBUS:
case SIGSEGV:

37
cpukit/score/cpu/unix/cpu.c
View File

@@ -24,6 +24,7 @@
#include <unistd.h>
#include <signal.h>
#include <time.h>
#include <sys/time.h>
#ifndef SA_RESTART
#define SA_RESTART 0
@@ -104,12 +105,16 @@ void _CPU_Signal_initialize( void )
sigaction(SIGINT, &act, 0);
sigaction(SIGQUIT, &act, 0);
sigaction(SIGILL, &act, 0);
#ifdef SIGEMT
sigaction(SIGEMT, &act, 0);
#endif
sigaction(SIGFPE, &act, 0);
sigaction(SIGKILL, &act, 0);
sigaction(SIGBUS, &act, 0);
sigaction(SIGSEGV, &act, 0);
#ifdef SIGSYS
sigaction(SIGSYS, &act, 0);
#endif
sigaction(SIGPIPE, &act, 0);
sigaction(SIGALRM, &act, 0);
sigaction(SIGTERM, &act, 0);
@@ -397,21 +402,25 @@ void _CPU_Context_Initialize(
/*
* This information was gathered by disassembling setjmp().
*/
{
unsigned32 stack_ptr;
stack_ptr = _stack_high - CPU_FRAME_SIZE;
*(addr + EBX_OFF) = 0xFEEDFEED;
*(addr + ESI_OFF) = 0xDEADDEAD;
*(addr + EDI_OFF) = 0xDEAFDEAF;
*(addr + EBP_OFF) = stack_ptr;
*(addr + ESP_OFF) = stack_ptr;
*(addr + RET_OFF) = jmp_addr;
stack_ptr = _stack_high - CPU_FRAME_SIZE;
*(addr + EBX_OFF) = 0xFEEDFEED;
*(addr + ESI_OFF) = 0xDEADDEAD;
*(addr + EDI_OFF) = 0xDEAFDEAF;
*(addr + EBP_OFF) = stack_ptr;
*(addr + ESP_OFF) = stack_ptr;
*(addr + RET_OFF) = jmp_addr;
addr = (unsigned32 *) stack_ptr;
addr = (unsigned32 *) stack_ptr;
addr[ 0 ] = jmp_addr;
addr[ 1 ] = (unsigned32) stack_ptr;
addr[ 2 ] = (unsigned32) stack_ptr;
addr[ 0 ] = jmp_addr;
addr[ 1 ] = (unsigned32) stack_ptr;
addr[ 2 ] = (unsigned32) stack_ptr;
}
#else
#error "UNKNOWN CPU!!!"
@@ -582,7 +591,9 @@ void _CPU_Stray_signal(int sig_num)
case SIGHUP:
case SIGQUIT:
case SIGILL:
#ifdef SIGEMT
case SIGEMT:
#endif
case SIGKILL:
case SIGBUS:
case SIGSEGV: